CVE-2017-0263

Estado: AnalizadaAlta (7.8)⚠ Explotación activa

The kernel-mode drivers in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow local users to gain privileges via a crafted application, aka "Win32k Elevation of Privilege Vulnerability."

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 7.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 10%
Percentil entre todas las CVEs puntuadas: 96
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

CISA KEV — explotada activamente

Añadida al catálogo: 10/2/2022
Plazo de remediación: 10/8/2022
Uso conocido en ransomware: Unknown

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1068 Exploitation for Privilege Escalationprivilege escalation95 %
Impacto secundarioT1548 Abuse Elevation Control Mechanismprivilege escalation85 %

CWE-416 (use-after-free) en controladores kernel de Win32k permite escalada de privilegios local (AV:L, PR:L). Ejecuta código con privilegios elevados tras explotar la aplicación malformada.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Execution Prevention Update Software User Account Management Threat Intelligence Program Restrict File and Directory Permissions Privileged Account Management

Tecnologías afectadas (10)

Microsoft — Windows 10 1507 Microsoft — Windows 10 1511 Microsoft — Windows 10 1607 Microsoft — Windows 10 1703 Microsoft — Windows 7 Microsoft — Windows 8.1 Microsoft — Windows RT 8.1 Microsoft — Windows Server 2008 Microsoft — Windows Server 2012 Microsoft — Windows Server 2016

CWE

CWE-416
CWE-416

Referencias

JSON original (NVD)

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